Black Alvin 32” reach swing arm drafting lamp is ETL listed for a 100 watt bulb has a ventilated 6 1/2" diameter metal shade with glare reducing double baffle. The spring-balanced arm moves light where needed is locked into position using knobs. Attach the lamp to any table up to 1 ½” thick using the included two-way mounting clamp. The lamp is offered in the colors of black or white and shipped with compact fluorescent bulb. If in the state of California order models with compact fluorescent bulb.